MICROSPEED
34
REV 04/05
1) Applying power supply the green OK LED is unlit.
-Power supply voltage is out of range; Check the voltage
value by instrument .
5) During normal operation the S.T. red LED is on
and the motor stops.
-Enviroment temperature to high more than 40 °C(0°F)
-Ventilate if necessary
4) During the motors deceleration phase,the green
OK LED switch goes off
-The voltage has exceeded the max value accepted.
-Check the value of the filter capacitor .
-See the chapter on power supply.
3) When the drive is turned on the Green OK LED
goes off and the red O.C. LED comes on..
- Look for a short circuit between the motor terminals or
the motor winding is connected to ground.
Switch off the system and check by instrument the insulation
.
2) Green OK LED on with drive on and motor not
moving..
-Check the input signal.
7.0 Troubleshooting
Warning